特徵描述
作者
CHEN, CHING-HSIA
型態特徵
Trees, shrubs, vines or rarely herbs. Leaves usually alternate, pinnately or palmately compound, rare simple; stipules none or in some climbing species present. Flower usually small, unisexual or bisexual, in racemes, panicles or corymbs, actinomorphic or commonly zygomorphic; calyx 4–5, imbricate or valvate sepals; petals 4–5 or wanting, often with hairs or scales at the base inside; hypogynous discs well developed, situated between petals and stamens; stamens usually 8–10, the filaments distinct or united at base; ovary superior, 2–4-celled, with one or more ovules in each cell; placentation axile or parietal, the style simple or divided. Fruit various, drupaceous or capsular, entire or lobed, sometimes winged. Seeds often arillate globose or compressed, albuminous or exalbuminous.
屬
About 150 genera and over 1,500 species, of wide distribution in the tropics and warm region.
參考文獻
Dodonaea 車桑子屬
作者
CHEN, CHING-HSIA
型態特徵
Shrubs or arborescent. Leaves alternate, simple or pinnately compound, mostly simple leaves in Taiwan, estipulate. Inflorescence lateral or terminal. Flowers polygamous, inconspicuous; calyx lobes 2–5, imbricate; petals wanting; stamens 5–10, usually 8, inserted on the outer side of the disc; filaments short, the anthers linear-oblong; disc obsolete in the male flower, small in the female; ovary 3–6-celled, with 2 collateral or superposed ovules in each cell; style 3–6-sided, the apex 3–6-clefted. Capsule 2–6-lobed, membraneceous or coriaceous, septicidally dehiscent. the valves winged at the back. Seeds lenticular or subglobose, compressed, exalbuminous and exarillate.
